128950679

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{313}}^1$

素因数の和:447

約数の個数: 32

約数和(自身を含む): 157833984

約数和(自身を除く): 28883305

約数列:

[1, 11, 13, 43, 67, 143, 313, 473, 559, 737, 871, 2881, 3443, 4069, 6149, 9581, 13459, 20971, 31691, 37453, 44759, 148049, 174967, 230681, 272623, 411983, 901753, 1924637, 2998853, 9919283, 11722789, 128950679]

約数ペア:

[(1, 128950679), (11, 11722789), (13, 9919283), (43, 2998853), (67, 1924637), (143, 901753), (313, 411983), (473, 272623), (559, 230681), (737, 174967), (871, 148049), (2881, 44759), (3443, 37453), (4069, 31691), (6149, 20971), (9581, 13459)]